NH nuclear plant studies concrete deterioration

SEABROOK, N.H. (AP) — Officials at the Seabrook Nuclear Plant say the plant is operating safely although concrete deterioration has been found in some structures.

Communications manager Alan Griffith said Wednesday at the plant's annual press briefing that engineers were studying the deterioration in concrete in structures under water caused by Alkali Silicon Reaction.

NHPR (http://bit.ly/Rjgsdo ) reports that Griffith said the deterioration has not been found in critical areas, including the dome housing the plant's radioactive fuel rods.

He said plant owner NextEra Energy will seal concrete in the deteriorated areas if the Nuclear Regulatory Commission requires it. NextEra is seeking an extension of the plant's operating license until 2050.